fix(share): heading and navigation not supporting CJK (closes #6430)

packages/share-theme/src/templates/page.ejs

@@ -90,7 +90,6 @@ const currentTheme = note.getLabel("shareTheme") === "light" ? "light" : "dark";
 const themeClass = currentTheme === "light" ? " theme-light" : " theme-dark";
 const headingRe = /(<h[1-6]>)(.+?)(<\/h[1-6]>)/g;
 const headingMatches = [...content.matchAll(headingRe)];
-const slugify = (text) => text.toLowerCase().replace(/[^\w]/g, "-");
 content = content.replaceAll(headingRe, (...match) => {
     match[0] = match[0].replace(match[3], `<a id="${slugify(match[2])}" class="toc-anchor" name="${slugify(match[2])}" href="#${slugify(match[2])}">#</a>${match[3]}`);
     return match[0];

packages/share-theme/src/templates/toc_item.ejs

@@ -1,5 +1,4 @@
 <%
-const slugify = (text) => text.toLowerCase().replace(/[^\w]/g, "-");
 const slug = slugify(entry.name);
 %>